ADUs passes the Chicago zoning committee, City Council comes next

Alderpersons Quinn and Mitchell “deferred and published” the ADU ordinance today, which means it was not approved and must be taken up again at a future City Council meeting.

The Chicago City Council zoning committee voted to approve citywide accessory dwelling units (ADUs). I was sick this morning and late to the meeting so I couldn’t sign up for the public comment roster. My planned comment is at the end of this post.

The most substantial change from the last proposal (circa May 2024) is that ADUs will be allowed in residential buildings in all zoning districts subject to the following caps:

  • RS-1: one ADU permit per block (both sides of the street) per year
  • RS-2: two…
  • R3-3: three…
  • Other zoning districts: no cap

There is also an owner occupancy requirement, to be proved at the time of permit application, to build an ADU in the RS zoning districts. The version text that passed is not yet available online, but it will be posted under ordinance SO2024-0008918.

Read WTTW’s report on what alderpersons said about ADUs, including the despicable comments about migrants by one of them.

The full City Council will vote on this ordinance tomorrow; I think it will pass by one or two votes. The lists below shows how committee members voted, approving it 13 to 7 (with all zoning committee members present).

Yes on ADUs:

  • La Spata
  • Hall
  • Ramirez
  • Sigcho-Lopez
  • Fuentes
  • Burnett
  • Cruz
  • Conway
  • Quezada
  • Villegas
  • Knudsen
  • Clay
  • Lawson

No on ADUs:

  • Hopkins
  • Dowell
  • Harris
  • Beale
  • Moore
  • Mosley
  • Reilly

Public comment

Hi my name is Steven Vance. I live in the 34th Ward and I’m a volunteer member of Abundant Housing Illinois. Today is a test for the Committee on Zoning. Alderperson Lawson and Mayor Johnson have presented a new version of allowing accessory dwelling units, including coach houses and other types of ADUs, for your favorable vote.  The test is whether this body will recognize the mounting evidence of a housing crisis in Chicago and adopt ordinances that will more quickly chip away at the housing shortage.

The most glaring problem, measured by national researchers, is that Chicago’s rents are climbing faster than in any of the other top 50 metropolitan areas, and for sale inventory is so low that houses sell in days at prices tens of thousands of dollars over asking. “Sounds good” for the individual owners and sellers, respectively, but it’s bad for everyone else. 

The city’s housing department staff know what is known nationally: that ADUs are one of the most sensible and impactful ways to increase housing options and reduce rents. With the ADU ordinance before you today Chicago would join Los Angeles, New York City, Boston, and Austin, cities where ADUs have been legal since before the pilot began. 

To those alders who sometimes or often disagree with Mayor Johnson’s agenda, consider that allowing ADUs across Chicago was first proposed by Mayor Emanuel in his administration’s final five-year housing plan back in 2019, and that it was during Mayor Lightfoot’s administration that the council started the three-year pilot program. 

To those who worry that ADUs bring in more children to the neighborhood who might crowd schools, consider that across the city enrollment in public schools is declining and more families and children staying in the city would be a blessing. Mayor Johnson’s amendment considered this by capping the number of ADUs that can be built on each block. 

I’m given two minutes so I can’t address every concern, but this committee has had plenty of time to address the concern of Chicagoans: the Chicagoans whose rents are rising too fast for them to afford, and who are having to move every year in search of a cheaper place away from their friends, family, and jobs. The ADU pilot program has brought 100s of new homes online in the last four years without any subsidy from the city. More ADUs means more homes for families to care for someone else: a grandparent staying nearby to care for a newborn, an adult child starting a new family near their parents, and seniors who would age in place by downsizing into a smaller home on their own property or down the street. Vote yes and pass the test. 

Allowing ADUs across Chicago: it’s never been more real

tl;dr: sign the petition so I can send the zoning committee the biggest marker of citywide support for citywide ADUs, and then call your alderperson on Monday to ask them how they plan to vote

Mayor Johnson indicated earlier this week that he is interested in legalizing ADUs citywide next week. Fran Spielman reported in the Chicago Sun-Times that he remains steadfast in ensuring that the option is available in all residential parts of the city. To that effect, he plans to submit a substitute ordinance at the next zoning committee meeting on Tuesday, July 15. 

ADUs were re-legalized in Chicago starting on May 1, 2021, in a pilot program available to property owners in five areas of the city. The pilot program turned four years old two months ago.

An ordinance introduced by Alderperson Lawson (44th Ward) over two years ago would dissolve the pilot areas and allow ADUs across the city and make other program fixes. However, the proposed ordinance requires that property owners in certain zoning districts obtain permission from the Zoning Board of Appeals before being able to apply for an ADU building permit.

While Lawson has argued that the votes have existed to pass his version, the mayor’s position is that that difference in treatment based on a property’s zoning district, which alderpersons can change, could continue the problem that the U.S. Department of Housing and Urban Development (HUD) found in October 2023.

I think that the mayor’s forthcoming ordinance is likely, like Lawson’s ordinance, to allow ADUs in all zoning districts (including existing residential buildings improperly zoned into M districts), allow both a coach house and an interior ADU on the same property, and allow existing parking to be removed so ground-level accessible coach houses can be built. In addition, I think it’s possible that the mayor’s version could keep some of the pilot program’s owner occupancy and maximum ADUs per block standards to ensure political feasibility in City Council.

After nearly eight years of ADU advocacy – participating in a task force during a previous mayor’s administration, presenting on panels, sharing ADU data with journalists and the public, and garnering support for a geographic expansion of ADUs in the city and Illinois – my primary interest is honing in to ensure that an ordinance legalizing ADUs across the whole of Chicago passes.

Take action: I’d like for every reader to sign this petition, created by Abundant Housing Illinois, to show the zoning committee and City Council that there is widespread support for ADUs.

Contacting your alderperson directly on Monday would be a bonus.

Guest post: Chicago has multiple crises that more housing could mitigate

Chicago currently faces a dire financial crisis that could leave the city with a $1.2 billion budget deficit in 2026 and a potentially higher deficit in 2027. One way the city can attempt to chip away at this deficit is by expanding access to affordable and abundant residential housing across the city. This article by Joshua Chodor focuses on the communities impacted by Chicago’s shortage of affordable residential housing, why more home choices will be needed and the potential strategies that can create housing abundance.

In his 1999 book Homeland Earth, French philosopher and sociologist Edgar Morin developed a term that would encapsulate the interconnectivity and complexity of modern crises across the world. Spurred by growing fears of global warming, resource depletion and environmental destruction leading to novel diseases, Morin defined his concerns through the term “polycrisis“. 

As Morin projected, today’s modern polycrisis is defined by the convergence of climate change, international migration and humanitarian crises, the increasing rise of authoritarian governments and misinformation driving civil and social unrest globally. To call Chicago’s myriad issues a polycrisis may diminish the word’s more complex meaning. However, when identifying Chicago’s critical issues – a budget crisis, a housing crisis, a cost of living crisis and the political target that the current presidential administration has set on the city – polycrisis emerges as a valid description of the situation.

Chicago must follow a common sense agenda that creates an abundance of housing at all price points in order to alleviate these intertwined crises.

Chicago is only now seeing positive population growth after years of decline, but the stagnant pace of development has left residents with few affordable home choices within the communities they live and work. Monthly rents are reaching new highs and continued inflation contributes to a cost of living crisis impacting everyone. Rising rents with a minimal volume of new unit development not only inhibits those seeking to move into Chicago from elsewhere, but also may price existing residents out. This cycle could potentially displace long-time Chicagoans without mitigating the severe housing shortage that currently exists. 

To make Chicago a more affordable place to live for its current and future residents – and untangle this polycrisis – the city must be laser-focused on creating housing abundance. Building more housing is directly linked to the migration of new residents into the city, specifically from political migration, climate migration and international migration

1. Political Migration

As Republican-led states legislate against LGBTQ+ rights, attack marginalized communities and dismantle abortion and women’s healthcare access, at-risk groups and individuals will increasingly seek refuge in “blue” areas that offer them the rights and dignities that they deserve everywhere. Governor J.B. Pritzker has ensured that Illinois remains safe and welcoming to those communities unfairly targeted by an arbitrary and capricious war against anything considered “woke” – a catch-all pejorative used as an insult toward those seeking social justice. Chicago – and Illinois as a whole – must show it supports individuals of all backgrounds by expanding opportunities for new housing. In addition, as some state public health services are refuting science-backed advancements in healthcare such as the removal of fluoride from drinking water, Chicago is in a prime position to benefit from a potential influx of red state transplants for reasons related to their health and welfare. 

2. Climate Migration

After years of residential growth, sun belt states face glaring climate concerns related to extreme heat and water access. Climate change is worsening storms, floods and hurricanes, and the current presidential administration has all but asserted that it does not see this as an issue. With extreme weather and the dismantling of NOAA, FEMA and other protective agencies, many areas of the country will increasingly become unlivable – at least, for those who don’t have the means to move elsewhere. Natural disasters have become more intense, potentially jeopardizing residents’ access to clean drinking water, a situation which will drive migration out of the most threatened areas. The Great Lakes region will, in all expectation, grow in population as a direct and indirect result of unstable weather in other regions. Chicagoland will be a primary destination as one of the largest markets that can sustain a sizable population influx. Without additional housing, the climate-based migration of wealthier families and individuals could price out existing marginalized communities from their homes; Chicago must be ready for this increase of potential new residents.

3. International & Humanitarian Migration

When discussing the topic of immigration, the conversation inevitably focuses on the southern border and the law enforcement actions which target and demonize those attempting to legally migrate into the country. A clear example of this is in Texas, where razor wire has been installed on floating buoys to dissuade migration, an inhumane strategy that has led to an increase in drowning-related deaths. Some states actively dehumanize immigrants through legislation meant to instill fear in already vulnerable communities. The consequences of this crisis in Illinois magnify a noticeable difference between policies in Chicagoland compared to the rest of the state. While Chicago has strengthened its “sanctuary” protections over recent months, more than a dozen Illinois counties enacted “non-sanctuary” laws or regulations designed to antagonize immigrant communities. It is clear why international migrants, if given the opportunity, would go to a place that offers them more protection compared to the cruelty that other locations seem to enjoy inflicting. This problem will remain pervasive and, until states no longer enact dehumanizing and cruel immigration-related laws, the Chicagoland region must create more affordable and safe housing options for vulnerable immigrant communities.

Chicago must prioritize expanding its housing supply and residential development in the city and surrounding areas in order to not only mitigate existing financial concerns, but also proactively prepare for an influx of new residents. Policies, both implicit (aldermanic prerogative) and explicit (segregationist zoning codes) have created a set of individual yet interconnected crises that have stymied housing growth, worsening Chicago’s budget shortfall while maintaining racial and ethnic divisions through the denial of critical new affordable housing options. This uncertainty will continue to leave residents – both current and prospective – stuck with fewer affordable and viable housing options. 

Chicago must address its intertwined issues holistically, as its current piecemeal approach has severely hindered the city’s ability to be a desirable and affordable place to call home. In a future post, I will identify short- and long-term actions and suggest solutions toward alleviating Chicago’s housing shortage, such as expanding the city’s accessory dwelling units (ADU) ordinance, allowing 4-flats by right, removing parking mandates, and enacting a land value tax, among other ideas. 

Fortunately, a number of volunteer organizations are focusing on addressing Chicago’s housing shortage, such as Abundant Housing Illinois and Strong Towns Chicago. That these groups have grown drastically in size over the past year is a clear sign that city residents will no longer sit back and wait for City Hall to unravel the threads of Chicago’s polycrisis.  

Josh Chodor is a master’s student in the University of Illinois Chicago’s Urban Planning and Policy program as well as a member of Abundant Housing Illinois and Strong Towns Chicago.

Greenline Homes is building brand new houses with junior ADUs

Greenline Homes builds all-electric 1, 2, and 3 unit houses in Chicago’s South Side, and this year they’ve started building single-family houses with a “junior accessory dwelling unit” on the first floor. An accessory dwelling unit, or ADU, can mean a few things, but generally it means a smaller home within a house that has one or more dwelling units. In Chicago, this is most commonly done by adding an apartment in a basement space of a single-family house or a two-flat, and on the ground floor of an older courtyard building during a renovation that moves shared laundry from the ground floor to in-unit.

Over in Woodlawn, however, Greenline Homes has built what appears as a single-family house but has an apartment with one bedroom and one bathroom in the front half of the first floor. It occupies about one quarter of the houses’s overall floor area. In the rear half of the first floor is the primary unit’s kitchen, living and dining room, and a half bathroom. Upstairs, the space belongs all to the primary unit and has three bedrooms and two bathrooms.

Many Greenline Homes have previously been built as two-flats with a lower level full-floor apartment and an upper level duplexed apartment for the owner. The intention is that buyers have an immediate rental income opportunity, or a place for multigenerational living. Think having an adult child living nearby (on-site!) as they transition from college graduation to full time job or having their first child.

Floor plan for the house at 6537 S Rhodes Ave (view the sale listing on Redfin).

The house is for sale, and there are several others like it, so if you’d like a tour contact Wayne Beals. Here are similar ones under construction that will deliver this year:

Further reading: junior ADUs can also be lockoff units, where the smaller unit is connected to the primary unit via stairs or a locked door, but maintains its only exit to the outside.

ADUs in Chicago: it’s the 4-year anniversary of a 3-year pilot program

My prepared remarks spoken to the Chicago City Council’s Committee on Zoning, Landmarks, and Building Standards on May 21, 2025.

Hi, my name is Steven Vance, I’m a 34th ward resident and a member of Abundant Housing Illinois, a group whose members show up to advocate for approving new housing. I wanted to speak today to support the expansion of the city’s ADU pilot program into a permanent and citywide option. 

This month is the four year anniversary of the beginning of a three-year ADU pilot program. 

A year ago, in June, just after the three year anniversary, the department of housing fulfilled their obligation and presented their findings and recommendations. They recommended to expand it citywide. 

Two years ago, a year before the department’s recommendations, newly elected Alderprerson Lawson introduced an ordinance that would do just that. To my recollection, the zoning committee has substantially discussed that ordinance only once. 

During the last four years, nearly 400 ADU homes have been permitted by the Department of buildings, and hundreds of those homes have been built. Homeowners and other property owners have been able to build homes for their parents, friends, and as rental units to earn more household income. None of the ADUs are allowed to be used for Airbnb or other short term rentals. 

Chicago was recently recognized as a national leader…in rent increases. Allowing more homes, including in the form of accessory dwelling units, is a way to suppress the rate at which rents rise. In some cases, including this year in Austin, Texas, Minneapolis, and Denver, so many new homes were built that rents started falling. 

I urge the zoning committee to adopt an ordinance to allow ADUs citywide. Thank you. 

Brian and his wife built a coach house in 2023, pursuant to the ADU pilot program, so their newborn child’s grandma could live close to home and help babysit.